[bp] Don't explicitly close sockets and cancel timers.
[bp] Don't explicitly close sockets and cancel timers.

Because it's done automatically for us anyway.

Change-Id: Ib4c9f90c7a05f4cf9ddea58ea84df2f278ac797a
Original-Change-Id: I411c53d137f287f16d219644a7e023608f032d4d
Original-Reviewed-on: http://review.couchbase.org/46986
Reviewed-on: http://review.couchbase.org/51762
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>
Tested-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

nimishzynga/ns_server,ceejatec/ns_server,ceejatec/ns_server,mschoch/ns_server,nimishzynga/ns_server,nimishzynga/ns_server,membase/ns_server,ceejatec/ns_server,nimishzynga/ns_server,mschoch/ns_server,membase/ns_server,mschoch/ns_server,membase/ns_server,nimishzynga/ns_server,membase/ns_server,mschoch/ns_server,nimishzynga/ns_server,membase/ns_server,ceejatec/ns_server,membase/ns_server,ceejatec/ns_server,mschoch/ns_server,ceejatec/ns_server,mschoch/ns_server